// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <memory>
#include <utility>
#include "common/file_util.h"
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/arm/exclusive_monitor.h"
#include "core/core.h"
#include "core/core_timing.h"
#include "core/cpu_manager.h"
#include "core/device_memory.h"
#include "core/file_sys/bis_factory.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs_factory.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/sdmc_factory.h"
#include "core/file_sys/vfs_concat.h"
#include "core/file_sys/vfs_real.h"
#include "core/gdbstub/gdbstub.h"
#include "core/hardware_interrupt_manager.h"
#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/physical_core.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/scheduler.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/service/am/applets/applets.h"
#include "core/hle/service/apm/controller.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/glue/manager.h"
#include "core/hle/service/lm/manager.h"
#include "core/hle/service/service.h"
#include "core/hle/service/sm/sm.h"
#include "core/loader/loader.h"
#include "core/memory.h"
#include "core/memory/cheat_engine.h"
#include "core/perf_stats.h"
#include "core/reporter.h"
#include "core/settings.h"
#include "core/telemetry_session.h"
#include "core/tools/freezer.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
namespace Core {
namespace {
FileSys::StorageId GetStorageIdForFrontendSlot(
std::optional<FileSys::ContentProviderUnionSlot> slot) {
if (!slot.has_value()) {
return FileSys::StorageId::None;
}
switch (*slot) {
case FileSys::ContentProviderUnionSlot::UserNAND:
return FileSys::StorageId::NandUser;
case FileSys::ContentProviderUnionSlot::SysNAND:
return FileSys::StorageId::NandSystem;
case FileSys::ContentProviderUnionSlot::SDMC:
return FileSys::StorageId::SdCard;
case FileSys::ContentProviderUnionSlot::FrontendManual:
return FileSys::StorageId::Host;
default:
return FileSys::StorageId::None;
}
}
} // Anonymous namespace
/*static*/ System System::s_instance;
FileSys::VirtualFile GetGameFileFromPath(const FileSys::VirtualFilesystem& vfs,
const std::string& path) {
// To account for split 00+01+etc files.
std::string dir_name;
std::string filename;
Common::SplitPath(path, &dir_name, &filename, nullptr);
if (filename == "00") {
const auto dir = vfs->OpenDirectory(dir_name, FileSys::Mode::Read);
std::vector<FileSys::VirtualFile> concat;
for (u8 i = 0; i < 0x10; ++i) {
auto next = dir->GetFile(fmt::format("{:02X}", i));
if (next != nullptr)
concat.push_back(std::move(next));
else {
next = dir->GetFile(fmt::format("{:02x}", i));
if (next != nullptr)
concat.push_back(std::move(next));
else
break;
}
}
if (concat.empty())
return nullptr;
return FileSys::ConcatenatedVfsFile::MakeConcatenatedFile(concat, dir->GetName());
}
if (FileUtil::IsDirectory(path))
return vfs->OpenFile(path + "/" + "main", FileSys::Mode::Read);
return vfs->OpenFile(path, FileSys::Mode::Read);
}
struct System::Impl {
explicit Impl(System& system)
: kernel{system}, fs_controller{system}, memory{system},
cpu_manager{system}, reporter{system}, applet_manager{system} {}
Kernel::PhysicalCore& CurrentPhysicalCore() {
return kernel.CurrentPhysicalCore();
}
Kernel::PhysicalCore& GetPhysicalCore(std::size_t index) {
return kernel.PhysicalCore(index);
}
ResultStatus Run() {
status = ResultStatus::Success;
kernel.Suspend(false);
core_timing.SyncPause(false);
cpu_manager.Pause(false);
return status;
}
ResultStatus Pause() {
status = ResultStatus::Success;
core_timing.SyncPause(true);
kernel.Suspend(true);
cpu_manager.Pause(true);
return status;
}
ResultStatus Init(System& system, Frontend::EmuWindow& emu_window) {
LOG_DEBUG(HW_Memory, "initialized OK");
device_memory = std::make_unique<Core::DeviceMemory>(system);
core_timing.Initialize([&system]() { system.RegisterHostThread(); });
kernel.Initialize();
cpu_manager.Initialize();
const auto current_time = std::chrono::duration_cast<std::chrono::seconds>(
std::chrono::system_clock::now().time_since_epoch());
Settings::values.custom_rtc_differential =
Settings::values.custom_rtc.value_or(current_time) - current_time;
// Create a default fs if one doesn't already exist.
if (virtual_filesystem == nullptr)
virtual_filesystem = std::make_shared<FileSys::RealVfsFilesystem>();
if (content_provider == nullptr)
content_provider = std::make_unique<FileSys::ContentProviderUnion>();
/// Create default implementations of applets if one is not provided.
applet_manager.SetDefaultAppletsIfMissing();
/// Reset all glue registrations
arp_manager.ResetAll();
telemetry_session = std::make_unique<Core::TelemetrySession>();
service_manager = std::make_shared<Service::SM::ServiceManager>();
Service::Init(service_manager, system);
GDBStub::DeferStart();
interrupt_manager = std::make_unique<Core::Hardware::InterruptManager>(system);
gpu_core = VideoCore::CreateGPU(emu_window, system);
if (!gpu_core) {
return ResultStatus::ErrorVideoCore;
}
gpu_core->Renderer().Rasterizer().SetupDirtyFlags();
is_powered_on = true;
exit_lock = false;
LOG_DEBUG(Core, "Initialized OK");
return ResultStatus::Success;
}
ResultStatus Load(System& system, Frontend::EmuWindow& emu_window,
const std::string& filepath) {
app_loader = Loader::GetLoader(GetGameFileFromPath(virtual_filesystem, filepath));
if (!app_loader) {
LOG_CRITICAL(Core, "Failed to obtain loader for {}!", filepath);
return ResultStatus::ErrorGetLoader;
}
ResultStatus init_result{Init(system, emu_window)};
if (init_result != ResultStatus::Success) {
LOG_CRITICAL(Core, "Failed to initialize system (Error {})!",
static_cast<int>(init_result));
Shutdown();
return init_result;
}
telemetry_session->AddInitialInfo(*app_loader);
auto main_process =
Kernel::Process::Create(system, "main", Kernel::Process::ProcessType::Userland);
const auto [load_result, load_parameters] = app_loader->Load(*main_process);
if (load_result != Loader::ResultStatus::Success) {
LOG_CRITICAL(Core, "Failed to load ROM (Error {})!", static_cast<int>(load_result));
Shutdown();
return static_cast<ResultStatus>(static_cast<u32>(ResultStatus::ErrorLoader) +
static_cast<u32>(load_result));
}
AddGlueRegistrationForProcess(*app_loader, *main_process);
kernel.MakeCurrentProcess(main_process.get());
// Initialize cheat engine
if (cheat_engine) {
cheat_engine->Initialize();
}
// All threads are started, begin main process execution, now that we're in the clear.
main_process->Run(load_parameters->main_thread_priority,
load_parameters->main_thread_stack_size);
if (Settings::values.gamecard_inserted) {
if (Settings::values.gamecard_current_game) {
fs_controller.SetGameCard(GetGameFileFromPath(virtual_filesystem, filepath));
} else if (!Settings::values.gamecard_path.empty()) {
fs_controller.SetGameCard(
GetGameFileFromPath(virtual_filesystem, Settings::values.gamecard_path));
}
}
u64 title_id{0};
if (app_loader->ReadProgramId(title_id) != Loader::ResultStatus::Success) {
LOG_ERROR(Core, "Failed to find title id for ROM (Error {})",
static_cast<u32>(load_result));
}
perf_stats = std::make_unique<PerfStats>(title_id);
// Reset counters and set time origin to current frame
GetAndResetPerfStats();
perf_stats->BeginSystemFrame();
status = ResultStatus::Success;
return status;
}
void Shutdown() {
// Log last frame performance stats if game was loded
if (perf_stats) {
const auto perf_results = GetAndResetPerfStats();
telemetry_session->AddField(Telemetry::FieldType::Performance,
"Shutdown_EmulationSpeed",
perf_results.emulation_speed * 100.0);
telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Framerate",
perf_results.game_fps);
telemetry_session->AddField(Telemetry::FieldType::Performance, "Shutdown_Frametime",
perf_results.frametime * 1000.0);
telemetry_session->AddField(Telemetry::FieldType::Performance, "Mean_Frametime_MS",
perf_stats->GetMeanFrametime());
}
lm_manager.Flush();
is_powered_on = false;
exit_lock = false;
if (gpu_core) {
gpu_core->WaitIdle();
}
// Shutdown emulation session
GDBStub::Shutdown();
Service::Shutdown();
service_manager.reset();
cheat_engine.reset();
telemetry_session.reset();
perf_stats.reset();
gpu_core.reset();
device_memory.reset();
// Close all CPU/threading state
cpu_manager.Shutdown();
// Shutdown kernel and core timing
kernel.Shutdown();
core_timing.Shutdown();
// Close app loader
app_loader.reset();
// Clear all applets
applet_manager.ClearAll();
LOG_DEBUG(Core, "Shutdown OK");
}
Loader::ResultStatus GetGameName(std::string& out) const {
if (app_loader == nullptr)
return Loader::ResultStatus::ErrorNotInitialized;
return app_loader->ReadTitle(out);
}
void AddGlueRegistrationForProcess(Loader::AppLoader& loader, Kernel::Process& process) {
std::vector<u8> nacp_data;
FileSys::NACP nacp;
if (loader.ReadControlData(nacp) == Loader::ResultStatus::Success) {
nacp_data = nacp.GetRawBytes();
} else {
nacp_data.resize(sizeof(FileSys::RawNACP));
}
Service::Glue::ApplicationLaunchProperty launch{};
launch.title_id = process.GetTitleID();
FileSys::PatchManager pm{launch.title_id};
launch.version = pm.GetGameVersion().value_or(0);
// TODO(DarkLordZach): When FSController/Game Card Support is added, if
// current_process_game_card use correct StorageId
launch.base_game_storage_id = GetStorageIdForFrontendSlot(content_provider->GetSlotForEntry(
launch.title_id, FileSys::ContentRecordType::Program));
launch.update_storage_id = GetStorageIdForFrontendSlot(content_provider->GetSlotForEntry(
FileSys::GetUpdateTitleID(launch.title_id), FileSys::ContentRecordType::Program));
arp_manager.Register(launch.title_id, launch, std::move(nacp_data));
}
void SetStatus(ResultStatus new_status, const char* details = nullptr) {
status = new_status;
if (details) {
status_details = details;
}
}
PerfStatsResults GetAndResetPerfStats() {
return perf_stats->GetAndResetStats(core_timing.GetGlobalTimeUs());
}
Timing::CoreTiming core_timing;
Kernel::KernelCore kernel;
/// RealVfsFilesystem instance
FileSys::VirtualFilesystem virtual_filesystem;
/// ContentProviderUnion instance
std::unique_ptr<FileSys::ContentProviderUnion> content_provider;
Service::FileSystem::FileSystemController fs_controller;
/// AppLoader used to load the current executing application
std::unique_ptr<Loader::AppLoader> app_loader;
std::unique_ptr<Tegra::GPU> gpu_core;
std::unique_ptr<Hardware::InterruptManager> interrupt_manager;
std::unique_ptr<Core::DeviceMemory> device_memory;
Core::Memory::Memory memory;
CpuManager cpu_manager;
bool is_powered_on = false;
bool exit_lock = false;
Reporter reporter;
std::unique_ptr<Memory::CheatEngine> cheat_engine;
std::unique_ptr<Tools::Freezer> memory_freezer;
std::array<u8, 0x20> build_id{};
/// Frontend applets
Service::AM::Applets::AppletManager applet_manager;
/// APM (Performance) services
Service::APM::Controller apm_controller{core_timing};
/// Service State
Service::Glue::ARPManager arp_manager;
Service::LM::Manager lm_manager{reporter};
/// Service manager
std::shared_ptr<Service::SM::ServiceManager> service_manager;
/// Telemetry session for this emulation session
std::unique_ptr<Core::TelemetrySession> telemetry_session;
ResultStatus status = ResultStatus::Success;
std::string status_details = "";
std::unique_ptr<Core::PerfStats> perf_stats;
Core::FrameLimiter frame_limiter;
};
System::System() : impl{std::make_unique<Impl>(*this)} {}
System::~System() = default;
CpuManager& System::GetCpuManager() {
return impl->cpu_manager;
}
const CpuManager& System::GetCpuManager() const {
return impl->cpu_manager;
}
System::ResultStatus System::Run() {
return impl->Run();
}
System::ResultStatus System::Pause() {
return impl->Pause();
}
System::ResultStatus System::SingleStep() {
return ResultStatus::Success;
}
void System::InvalidateCpuInstructionCaches() {
impl->kernel.InvalidateAllInstructionCaches();
}
System::ResultStatus System::Load(Frontend::EmuWindow& emu_window, const std::string& filepath) {
return impl->Load(*this, emu_window, filepath);
}
bool System::IsPoweredOn() const {
return impl->is_powered_on;
}
void System::PrepareReschedule() {
impl->CurrentPhysicalCore().Stop();
}
void System::PrepareReschedule(const u32 core_index) {
impl->kernel.PrepareReschedule(core_index);
}
PerfStatsResults System::GetAndResetPerfStats() {
return impl->GetAndResetPerfStats();
}
TelemetrySession& System::TelemetrySession() {
return *impl->telemetry_session;
}
const TelemetrySession& System::TelemetrySession() const {
return *impl->telemetry_session;
}
ARM_Interface& System::CurrentArmInterface() {
return impl->CurrentPhysicalCore().ArmInterface();
}
const ARM_Interface& System::CurrentArmInterface() const {
return impl->CurrentPhysicalCore().ArmInterface();
}
std::size_t System::CurrentCoreIndex() const {
std::size_t core = impl->kernel.GetCurrentHostThreadID();
ASSERT(core < Core::Hardware::NUM_CPU_CORES);
return core;
}
Kernel::Scheduler& System::CurrentScheduler() {
return impl->CurrentPhysicalCore().Scheduler();
}
const Kernel::Scheduler& System::CurrentScheduler() const {
return impl->CurrentPhysicalCore().Scheduler();
}
Kernel::Scheduler& System::Scheduler(std::size_t core_index) {
return impl->GetPhysicalCore(core_index).Scheduler();
}
const Kernel::Scheduler& System::Scheduler(std::size_t core_index) const {
return impl->GetPhysicalCore(core_index).Scheduler();
}
/// Gets the global scheduler
Kernel::GlobalScheduler& System::GlobalScheduler() {
return impl->kernel.GlobalScheduler();
}
/// Gets the global scheduler
const Kernel::GlobalScheduler& System::GlobalScheduler() const {
return impl->kernel.GlobalScheduler();
}
Kernel::Process* System::CurrentProcess() {
return impl->kernel.CurrentProcess();
}
Core::DeviceMemory& System::DeviceMemory() {
return *impl->device_memory;
}
const Core::DeviceMemory& System::DeviceMemory() const {
return *impl->device_memory;
}
const Kernel::Process* System::CurrentProcess() const {
return impl->kernel.CurrentProcess();
}
ARM_Interface& System::ArmInterface(std::size_t core_index) {
return impl->GetPhysicalCore(core_index).ArmInterface();
}
const ARM_Interface& System::ArmInterface(std::size_t core_index) const {
return impl->GetPhysicalCore(core_index).ArmInterface();
}
ExclusiveMonitor& System::Monitor() {
return impl->kernel.GetExclusiveMonitor();
}
const ExclusiveMonitor& System::Monitor() const {
return impl->kernel.GetExclusiveMonitor();
}
Memory::Memory& System::Memory() {
return impl->memory;
}
const Core::Memory::Memory& System::Memory() const {
return impl->memory;
}
Tegra::GPU& System::GPU() {
return *impl->gpu_core;
}
const Tegra::GPU& System::GPU() const {
return *impl->gpu_core;
}
Core::Hardware::InterruptManager& System::InterruptManager() {
return *impl->interrupt_manager;
}
const Core::Hardware::InterruptManager& System::InterruptManager() const {
return *impl->interrupt_manager;
}
VideoCore::RendererBase& System::Renderer() {
return impl->gpu_core->Renderer();
}
const VideoCore::RendererBase& System::Renderer() const {
return impl->gpu_core->Renderer();
}
Kernel::KernelCore& System::Kernel() {
return impl->kernel;
}
const Kernel::KernelCore& System::Kernel() const {
return impl->kernel;
}
Timing::CoreTiming& System::CoreTiming() {
return impl->core_timing;
}
const Timing::CoreTiming& System::CoreTiming() const {
return impl->core_timing;
}
Core::PerfStats& System::GetPerfStats() {
return *impl->perf_stats;
}
const Core::PerfStats& System::GetPerfStats() const {
return *impl->perf_stats;
}
Core::FrameLimiter& System::FrameLimiter() {
return impl->frame_limiter;
}
const Core::FrameLimiter& System::FrameLimiter() const {
return impl->frame_limiter;
}
Loader::ResultStatus System::GetGameName(std::string& out) const {
return impl->GetGameName(out);
}
void System::SetStatus(ResultStatus new_status, const char* details) {
impl->SetStatus(new_status, details);
}
const std::string& System::GetStatusDetails() const {
return impl->status_details;
}
Loader::AppLoader& System::GetAppLoader() const {
return *impl->app_loader;
}
void System::SetFilesystem(std::shared_ptr<FileSys::VfsFilesystem> vfs) {
impl->virtual_filesystem = std::move(vfs);
}
std::shared_ptr<FileSys::VfsFilesystem> System::GetFilesystem() const {
return impl->virtual_filesystem;
}
void System::RegisterCheatList(const std::vector<Memory::CheatEntry>& list,
const std::array<u8, 32>& build_id, VAddr main_region_begin,
u64 main_region_size) {
impl->cheat_engine = std::make_unique<Memory::CheatEngine>(*this, list, build_id);
impl->cheat_engine->SetMainMemoryParameters(main_region_begin, main_region_size);
}
void System::SetAppletFrontendSet(Service::AM::Applets::AppletFrontendSet&& set) {
impl->applet_manager.SetAppletFrontendSet(std::move(set));
}
void System::SetDefaultAppletFrontendSet() {
impl->applet_manager.SetDefaultAppletFrontendSet();
}
Service::AM::Applets::AppletManager& System::GetAppletManager() {
return impl->applet_manager;
}
const Service::AM::Applets::AppletManager& System::GetAppletManager() const {
return impl->applet_manager;
}
void System::SetContentProvider(std::unique_ptr<FileSys::ContentProviderUnion> provider) {
impl->content_provider = std::move(provider);
}
FileSys::ContentProvider& System::GetContentProvider() {
return *impl->content_provider;
}
const FileSys::ContentProvider& System::GetContentProvider() const {
return *impl->content_provider;
}
Service::FileSystem::FileSystemController& System::GetFileSystemController() {
return impl->fs_controller;
}
const Service::FileSystem::FileSystemController& System::GetFileSystemController() const {
return impl->fs_controller;
}
void System::RegisterContentProvider(FileSys::ContentProviderUnionSlot slot,
FileSys::ContentProvider* provider) {
impl->content_provider->SetSlot(slot, provider);
}
void System::ClearContentProvider(FileSys::ContentProviderUnionSlot slot) {
impl->content_provider->ClearSlot(slot);
}
const Reporter& System::GetReporter() const {
return impl->reporter;
}
Service::Glue::ARPManager& System::GetARPManager() {
return impl->arp_manager;
}
const Service::Glue::ARPManager& System::GetARPManager() const {
return impl->arp_manager;
}
Service::APM::Controller& System::GetAPMController() {
return impl->apm_controller;
}
const Service::APM::Controller& System::GetAPMController() const {
return impl->apm_controller;
}
Service::LM::Manager& System::GetLogManager() {
return impl->lm_manager;
}
const Service::LM::Manager& System::GetLogManager() const {
return impl->lm_manager;
}
void System::SetExitLock(bool locked) {
impl->exit_lock = locked;
}
bool System::GetExitLock() const {
return impl->exit_lock;
}
void System::SetCurrentProcessBuildID(const CurrentBuildProcessID& id) {
impl->build_id = id;
}
const System::CurrentBuildProcessID& System::GetCurrentProcessBuildID() const {
return impl->build_id;
}
System::ResultStatus System::Init(Frontend::EmuWindow& emu_window) {
return impl->Init(*this, emu_window);
}
void System::Shutdown() {
impl->Shutdown();
}
Service::SM::ServiceManager& System::ServiceManager() {
return *impl->service_manager;
}
const Service::SM::ServiceManager& System::ServiceManager() const {
return *impl->service_manager;
}
void System::RegisterCoreThread(std::size_t id) {
impl->kernel.RegisterCoreThread(id);
}
void System::RegisterHostThread() {
impl->kernel.RegisterHostThread();
}
} // namespace Core